Virtual Threads

A new feature in java 19+

https://openjdk.java.net/jeps/425

  • https://cr.openjdk.java.net/~rpressler/loom/Loom-Proposal.html

  • https://itnext.io/kotlin-coroutines-vs-java-virtual-threads-a-good-story-but-just-that-91038c7d21eb

structured concurrency

  • use of java 21 running of conncurrency in a structured/procedural way, instead of using completable future (callback)

  • Makes following the code easier to read

  • Observable, the stack trace points to correct location of failure

  • exception handling is more intuitive

  • Error handling short circuiting

    • if one fails then other sub tasks will fail if need all tasks to complete

Links

  • https://www.youtube.com/watch?v=fbI3qveS_Is

    • Structured Concurrency in Java: The What & Why • Balkrishna Rawool • GOTO 2023

    • https://github.com/balkrishnarawool/StructuredConcurrency

  • https://www.happycoders.eu/java/structured-concurrency-structuredtaskscope/

  • https://quarkus.io/blog/virtual-thread-1/

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